Imperial, California - Off and on waves of light-moderate rain through Friday with heaviest rain expected Thursday afternoon into early Friday morning.

• Storm total rainfall amounts ranging from 0.75-1.5" across lower elevations to 2-4" in the high terrain of central Arizona. Locally higher amounts possible with training activity and storms.
• Running washes/creeks may show rises by this afternoon with flows persisting into the weekend even after the storm leaves the region.

CHANGES FROM THE PREVIOUS BRIEFING:

• Flash Flood Watch issued for most area Thursday into Friday.
• Cooler temperatures and some additional rain possible early next week with next weather system.